We don't know what's meaner: calling Demi Lovato "DEMI LOVOTO," or asking to make any song of hers stop!

However, when both digs were read aloud in their tweet form by Demi, we basically had a Heart Attack from all the laughing we did!

We're not sure if these tweets are 100% authentic or just HIGHlarious jabs written by the writers over at Jimmy Kimmel, but one, this doesn't seem as written as some of the other Mean Tweets segments in the past, and two, a celebrity reading a personalized insult is still hysterical even if the tweets were written by the JKL staff!

Macklemore and Ryan Lewis featuring Wanz just won Top Rap Song at the Billboard Music Awards for Thrift Shop because, well, it was one of THE biggest songs of the year!

Beating out Flo Rida, Kanye, and um, PSY, the two lovely lads took the biggest coveted award in the rap world, surprising the audience, we're sure. But, what was most shocking about the award was a coffee mug-holding Kid Rock's introduction where he made the comment:

"Let's give it up for people lip syncing to pre-recorded music."

Ouch! Was that a dig at Selena Gomez?? Is this a new celebrity feud brewing??

The singer recently appeared on Piers Morgan Tonight, and when the host asked him about Justin Timberlake and Jay-Z charging ticket prices as high as a whooping $225 for their upcoming tour, he had some choice words for the dynamic duo: